Viruses with Single-Stranded, Positive-Sense RNA Genomes

Table 14.2 Comparison of distinct picornavirus genomes

Virus	Genome size (nucleotides)	(5′ UTR)	Polyprotein (amino acids)	(3′ UTR)
Poliovirus type 1	7,433	740	2,207	72
Human enterovirus B (coxsackievirus B3)	7,400	741	2,185	100
Hepatitis A virus	7,478	733	2,227	64
Rhinovirus (type 14)	7,209	624	2,178	47
Foot-and-mouth disease virus	8,450	1,199^a	2,332	87

UTR untranslated region
^aContains a poly(C) tract of 100–170 nucleotides, depending on the virus isolate